Manufactured by CHG Bearing, the 82550/82932D is a precision Double Row Tapered Roller Bearings. Key dimensional parameters include a 139.7 mm bore diameter, a 236.538 mm outer diameter, and a 131.763 mm overall width. This component is designed to meet standard load requirements and ensure consistent operational performance. For comprehensive technical evaluation, please explore the detailed specifications, dimensional data, product images, and CAD drawings provided below. A complete PDF data sheet is also readily available for direct download to support your engineering and procurement needs.
82550/82932D - Double Row Tapered Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 82550/82932D |
| Brand | CHG® |
| Bearing | Double Row Tapered Roller Bearing |
| Characteristics | |
| Series | 370000 |
| Number of Rows | Double Row |
| Tolerance Class | P5 |
| Dimensions | |
| Bore Diameter (d) | 139.7 mm |
| Width (B) | 131.763 mm |
| Outer Diameter (D) | 236.538 mm |
| Bore Diameter Tolerance | -0.018 – 0 mm |
| Outside Diameter Tolerance | -0.020 – 0 mm |
| Inner Ring Chamfer | 2.1 min mm |
| Outer Ring Chamfer | 2.1 min mm |
| Inner Ring Assembly Width Tolerance | 0 – +0.20 mm |
| Outer Ring Assembly Width | 70 mm |
| Outer Ring Assembly Width Tolerance | 0 – +0.20 mm |
| Shaft Abutment Diameter | N/A mm |
| Housing Abutment Diameter | N/A mm |
| Lubrication Hole Diameter | 5 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 506 kN |
| Basic Static Load Rating C0 (kN) | 947 kN |
| Material | |
| Mass (kg) | 11 kg |
| Ring Material | Bearing Steel |
| Cage Material | 08Al Steel / Grade 10 Steel |
| Lubrication Groove Width | 10 mm |
| Roller Material | Bearing Steel |
82550/82932D 236.538 mm 139.7 mm Frequently Asked Questions about 82550/82932D Double Row Tapered Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
For international ocean and air freight, CHG Bearing packs 82550/82932D with industrial VCI anti-corrosion barrier wrapping, sealed polybags, individual cartons, and fumigated ocean-worthy wooden crates. This multi-layer barrier guarantees rust-free storage for a minimum shelf life of 24 to 36 months.
The CHG Bearing 82550/82932D is rated for limiting speeds up to standard rated RPM under forced oil-mist or circulating oil lubrication regimes. When lubricated with factory-filled synthetic high-speed grease, safe continuous velocity is maintained at approximately 75% to 85% of the maximum nominal limit, preventing thermal runaway.
To extend the trouble-free lifespan of CHG Bearing 82550/82932D, preventive maintenance routines should monitor operating housing temperature (normally maintaining below 70°C) and conduct regular vibration FFT analysis to identify early raceway micro-pitting before unexpected line halts occur.
Each 82550/82932D produced in CHG Bearing manufacturing facilities features accurately profiled corner chamfers complying with DIN 5412 / ISO standard corner radii. When designing mating shafts and housing shoulders, machining an undercut or fillet radius strictly within the inner ring clearance limit (139.7 mm bore side) ensures perfect planar contact without edge binding.
